Hiroaki Serizawa (芹澤廣明 Serizawa Hiroaki January 3, 1948 -) is a Japanese singer and songwriter. He has released albums under two other similar names: Hiro Serizawa (芹沢ヒロ and 芹沢 廣, both said Serizawa Hiro). He has released music for many Mitsuru Adachi anime series, including Touch and Hiatari Ryōkō!